Finding the Fourth Proportional to 926,291.13, 1,278,281.75 and 502,355.13
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Solution
The fourth proportional to 926,291.13, 1,278,281.75 and 502,355.13 is: 693,250.07
Step by Step Solution
- Step 1: Write the proportion equation
926,291.13 : 1,278,281.75 = 502,355.13 : x - Step 2: Convert to fraction form
926,291.13/1,278,281.75 = 502,355.13/x - Step 3: Cross multiply
926,291.13x = 1,278,281.75 × 502,355.13 - Step 4: Simplify right side
926,291.13x = 642,151,394,697.88 - Step 5: Solve for x
x = 642,151,394,697.88/926,291.13 - Step 6: Final answer
x = 693,250.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.